<template>
  <view class="my-settle-container">
    <label class="radio">
      <radio :checked="isFullCheck" color="#C00000" @click="changeAllState" /><text>全选</text>
    </label>
    <view class="amount-box">
      合计: <text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
    <view class="btn-settle" @click="settlement">
      结算（{{checkedCount}})
    </view>
  </view>
</template>

<script>
  import { mapGetters,mapMutations,mapState } from 'vuex'
  export default {
    computed: {
      ...mapState('m_cart',['cart']),
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('m_user',['addStr']),
      ...mapState('m_user',['token']),
      isFullCheck() {
        return this.total === this.checkedCount
      }
    },
    data() {
      return {
        seconds: 3,
        timer: null
      };
    },
    methods: {
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user', ['updateRedirectInfo']),
      changeAllState() {
        this.updateAllGoodsState(!this.isFullCheck)
      },
      showTips(n) {
        uni.showToast({
          icon: 'none',
          title: '请登录后再结算'  + n + ' 秒后自动跳转到登录页',
          duration: 1500
        })
      },
      delayNavigate() {
        this.showTips(this.seconds)
        this.timer = setInterval(() => {
          this.seconds--
          if(this.seconds <= 0) {
            clearInterval(this.timer)
            uni.switchTab({
              url: '/pages/my/my',
              success: () => {
                this.updateRedirectInfo({
                  openType: 'switchTab',
                  from: '/pages/cart/cart'
                })
              }
            })
          }
          this.showTips(this.seconds)
        },1000)
      },
      settlement() {
        if(!this.checkedCount) return uni.$showMsg('请选择结算的商品')
        if(!this.addStr) return uni.$showMsg('请选择收货地址')
        // if(!this.token) return uni.$showMsg('请先登录')
        if(!this.token) return this.delayNavigate()
        // 实现微信支付功能
        this.payOrder()
      },
      async payOrder() {
        // 1.创建订单
        const orderInfo = {
          order_price: 0.01,
          consignee_addr: this.addStr,
          // 返回对象字面量需要（）包裹
          goods: this.cart.filter(x => x.goods_state).map(x => ({
            goods_id: x.goods_id,
            goods_number: x.goods_count,
            goods_price: x.goods_price
          }))
        }
        const { data: res } = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
        if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
        // 得到服务器响应的“订单编号”
        const orderNumber = res.message.order_number
        // 2.订单预支付
        const { data: res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{ order_number: orderNumber})
        if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
        // 2.3 得到订单支付相关的必要参数
        const payInfo = res2.message.pay
        // 3.发起微信支付
        console.log(payInfo)
        const [err,succ] = await uni.requestPayment(payInfo)
        if(err) return uni.$showMsg('订单未支付')
        const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number: orderNumber})
        if(res3.meta.status !== 200) return uni.$showMsg('订单未支付')
        uni.showToast({
          title: '支付成功',
          icon: 'success'
        })
        
      }
      
    }
  }
</script>

<style lang="scss">
  .my-settle-container {
    /* 底部固定定位 */
    position: fixed;
    bottom: 0;
    left: 0;
    /* 设置宽高和背景色 */
    width: 100%;
    height: 50px;
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 5px;
    font-size: 14px;

    .radio {
      display: flex;
      align-items: center;
    }

    .amount {
      color: #c00000;
    }

    .btn-settle {
      height: 50px;
      min-width: 100px;
      background-color: #c00000;
      color: white;
      line-height: 50px;
      text-align: center;
      padding: 0 10px;
    }


  }
</style>
